Option A is the right answer.
Decrease in air humidity caused an increase in the visits by the nurse.The argument is assuming that at least some of these visits were due to an increase in humidity.
The Conclusion is "This shows that a decrease in humidity can make people ill."
This conclusion is shattered when we negate Option A.
Please give me kudos. I need them badly to unlock GmatClub tests
Decrease in air humidity caused an increase in the visits by the nurse.The argument is assuming that at least some of these visits were due to an increase in humidity.
The Conclusion is "This shows that a decrease in humidity can make people ill."
This conclusion is shattered when we negate Option A.
Please give me kudos. I need them badly to unlock GmatClub tests
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